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CAS No. : | 24985-85-1 | MDL No. : | MFCD00015458 |
Formula : | C11H11NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | WANAXLMRGYGCPC-UHFFFAOYSA-N |
M.W : | 205.21 | Pubchem ID : | 90677 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With hydrogen;10% palladium on activated carbon; In ethanol; for 20h; | A solution of 5-benzyloxyindole-2-carboxylic acid ethyl ester (10 g, 34 mmol) in ethanol (250 mL) was treated with 10% Pd/C and hydrogenated under atmospheric pressure (double-walled balloon) for 20 h. The reaction mixture was diluted with EtOAc and filtered through Celite. Evaporation of the filtrate in vacuo gave the title compound as a tan solid (7 g, 99%). 1H NMR (400 MHz, CDCl3) delta 8.86 (br s, 1H), 7.29 (d, J=8.80 Hz, 1H), 7.11 (s, 1H), 7.06 (s, 1H), 6.94 (d, J=8.70 Hz, 1H), 4.83 (br s, 1H), 4.42 (q, J=7.09 Hz, 2H), 1.41 (t, J=7.08 Hz, 3H). |
99% | palladium-carbon; In ethanol; | a Ethyl 5-Hydroxyindole-2-carboxylate A solution of 5-benzyloxyindole-2-carboxylic acid ethyl ester (10 g, 34 mmol) in 250 mL of ethanol was treated with 10% Pd/C and hydrogenated under atmospheric pressure (double-walled balloon) for 20 h. The reaction mixture was diluted with EtOAc and filtered through Celite. Evaporation of the filtrate in vacuo gave the title compound as a tan solid (7 g, 99%). 1H NMR (400 MHz, CDCl3) delta 8.86 (br s, 1H), 7.29 (d, J=8.80 Hz, 1H), 7.11 (s, 1H), 7.06 (s, 1H), 6.94 (d, J=8.70 Hz, 1H), 4.83 (br s, 1H), 4.42 (q, J=7.09 Hz, 2H), 1.41 (t, J =7.08 Hz, 3H). |
99% | palladium-carbon; In ethanol; | a 5-Hydroxyindole-2-carboxylic Acid Ethyl Ester A solution of 5-benzyloxyindole-2-carboxylic acid ethyl ester (10 g, 34 mmol) in ethanol (250 mL) was treated with 10% Pd/C and hydrogenated under atmospheric pressure (double-walled balloon) for 20 h. The reaction mixture was diluted with EtOAc and filtered through Celite. Evaporation of the filtrate in vacuo gave the title compound as a tan solid (7 g, 99%). 1H NMR (400 MHz, CDCl3)·8.86 (br s, 1H), 7.29 (d, J=8.80 Hz, 1H), 7.11 (s, 1H), 7.06 (s, 1H), 6.94 (d, J=8.70 Hz, 1H), 4.83 (br s, 1H), 4.42 (q, J=7.09 Hz, 2H), 1.41 (t, J=7.08 Hz 3H). |
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